Fact Based List:

1st Quarter 2011 Medical Membership for Five Largest Publicly Held Health Plans

  1. Wellpoint - 34.198 million
  2. United Health Group- 33.995 million
  3. Aetna - 17.794 million
  4. Cigna - 11.422 million
  5. Humana 10.921 million

Source: MCOL Quarterly Reports, May 2011
Source URL: http://www.mcol.com